The phrase "a small railway" is correct and usable in written English.
It can be used to describe a railway system that is limited in size, capacity, or scope, often referring to local or less significant railways.
Example: "The town was served by a small railway that connected it to the nearby city, making travel convenient for residents."
Alternatives: "a minor railway" or "a local railway".
There is Meissonier, building a small railway on his property so that he can study, ever more accurately, the action of the galloping horse.
His father is in charge of a small railway station & the boy & his brother deliver parcels that come by train after school.
We head right from the hall, crossing a small railway bridge and cutting south-west through a small copse towards Dawkins Bottom.
Although he started off with a small railway company in the 1920s, he gradually built this up through a string of takeovers and mergers into a sprawling conglomerate.
ATO-2000 is an automated railway system that plans, operates, monitors and controls a small railway network of driver-less trains within a mine.
Passing under a railway bridge, I saw an elderly couple walking an even older dachshund and followed their route up an embankment to what had once been a small railway branch line.
Network Rail has warned that meaningful cuts in its budget can only come at the expense of a smaller railway that will have to carry fewer passengers than the 1.3bn journeys it managed in 2009.
Even so, before I take Blanche from Porthmadog, two days on a very small railway seems a little excessive for a non-train nerd.
Adapting their car into a small personal railway locomotive, they travelled Mexico's forgotten railways, many of which have slumped into disuse since the national railway system, created in the 19th century, was privatised in the 1990s.
Fowler established himself in London in 1844 as a consulting engineer, laying out many small railway systems later incorporated into the Manchester, Sheffield, and Lincolnshire railways.
One hundred years after the great Russian novelist fled from his country estate outside Moscow – dying three weeks later in a small provincial railway station – the world is gearing up to celebrate him.
